TY - JOUR AU - I. V. Germashev AU - V. E. Derbisher TI - Properties of unimodal membership functions in operations with fuzzy sets JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2007 SP - 77 EP - 80 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2007_3_a10/ LA - ru ID - IVM_2007_3_a10 ER -